Home / 37,020.92-55,402.18-30,279.49

Finding the Fourth Proportional to 37,020.92, 55,402.18 and 30,279.49

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Solution

The fourth proportional to 37,020.92, 55,402.18 and 30,279.49 is: 45,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,020.92 : 55,402.18 = 30,279.49 : x
  2. Step 2: Convert to fraction form
    37,020.92/55,402.18 = 30,279.49/x
  3. Step 3: Cross multiply
    37,020.92x = 55,402.18 × 30,279.49
  4. Step 4: Simplify right side
    37,020.92x = 1,677,549,541.08
  5. Step 5: Solve for x
    x = 1,677,549,541.08/37,020.92
  6. Step 6: Final answer
    x = 45,313.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.